13
Elevator Pushrods
1.
Collect the following items
(2) 6-32 x 1-1/2” bolts
(2) 6-32 nylon ball nuts
(4) 4-40 x 3-1/2" Double Threaded Wire
(2) Pushrod couplers
(2) Nylon cup washers
(2) 2-56 x 40” pushrods
(2) Nylon swing in keepers
(2) 2-56 metal clevis
(2) Silicone clevis keepers
pushrod coupler ball nut cup washer
2.
Insert the two rudder pushrods into the guide
tubes. Align the control horn so they will be in
perfect alignment with the pushrod. Mark the
position on the elevators and drill a 9/64” hole
at each spot.
3.
Use thin Ultra Set CA to harden the holes.
Assemble the control horn. No washer on top,
cup washer on bottom followed by the ball nut.
Screw the pushrod fitting on the end.
4.
Slide the silicone keeper on the clevis then
screw the metal clevis on the pushrod. Attach
to the control horn.
5.
Tape both elevator so they are neutral.
Turn the radio on and center the elevator ser-
vos.
6.
Mark both elevator pushrod where they cross
the servo arm.
Make a 90 degree bend at your mark.
Cut the pushrod at 3/8”.
mark
bend
cut at 3/8”
7.
Fit the pushrod into the servo arm and install
the nylon swing in keeper
